PT 250 EX stuck at 478 Amps!!!
......So I was welding today on AC, finished that part and switched to DC to do another and as soon as I struck the arc, (using the pedal), to tac a part, it blows through.
When I looked at the control panel, the ampreage display read 478. The amperage control dial did not change the number indicated. I tried several other different settings and nothing worked.
Next thing I tried was shutting it down and letting it sit for a few minutes hoping something would reset........same result.
Does anyone have any guesses as what my problem could be?
Thanks,
Ken
Last edited by Jetfire3; 06-10-2011 at 03:22 AM.
PowerTIG 250EX
Power Cool 300
Hobart 210MVP
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